Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Angelica – Residency

34th sighting in Chatham Strait
Fluke of Angelica
Angelica Confirmed in the catalog @16859
Jun 29 – Aug 1, 2025 · Chatham Strait

Chatham Strait · Jun – Aug 2025

89 m
Deepest dive
2:55
Longest dive
59
Dives
Sightings
4
Days between first and last sighting
33

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 202594 m12.3°C61 m
Jul 14, 202513 m12.9°C12 m
Jul 24, 202598 m13.6°C89 m
Aug 1, 202522 m14.1°C19 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jun 29, 2025 — seafloor 94 m (measured), deepest dive 61 m (modelled)Jun 29Jul 14, 2025 — seafloor 13 m (measured), deepest dive 12 m (modelled)Jul 14Jul 24, 2025 — seafloor 98 m (measured), deepest dive 89 m (modelled)Jul 24Aug 1, 2025 — seafloor 22 m (measured), deepest dive 19 m (modelled)Aug 1

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

89 m
Deepest dive
2:55
Longest dive
59
Dives
17 m
Avg dive depth
4
Sightings
33
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010089 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (98 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Jul 24, 2025

measured
Seafloor depth
98 m
Sea-surface temperature
13.6°C
Distance from shore
4.0 km

Across the residency · 4 sightings

measured
Seafloor depth
13 m – 98 m
Sea-surface temperature
12.3°C – 14.1°C
Distance from shore
4.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 4 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.